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Organon & Co

600 hedge funds and large institutions have $1.2B invested in Organon & Co in 2026 Q1 according to their latest regulatory filings, with 83 funds opening new positions, 132 increasing their positions, 199 reducing their positions, and 95 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less funds holding

Funds holding:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less call options, than puts

Call options by funds: $ | Put options by funds: $

16% less capital invested

Capital invested by funds: $1.42B → $1.2B (-$223M)

34% less repeat investments, than reductions

Existing positions increased: 132 | Existing positions reduced: 199

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
600
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$19.2M
Puts
$22.4M
Net Calls
Net Calls Change

Top Buyers

1 +$47.6M
2 +$30.1M
3 +$19.4M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$19M
5
KBG
Kahn Brothers Group
New York
+$14.4M

Top Sellers

1 -$39.1M
2 -$38.5M
3 -$19.2M
4
Jane Street
Jane Street
New York
-$15.1M
5
GAM
Gotham Asset Management
New York
-$10.5M